“Under the Pentastar” is a quick video recap of events at Chrysler Group over the past week. The top stories for this week include sales for September 2011 surging 27 percent compared to the same month in 2010; test fleets of Ram 1500 plug-in hybrid electric vehicles (PHEVs) are delivered to select U.S. cities, including the home of Chrysler Group, Auburn Hills, Mich.; Penske Racing's Kurt Busch drove his Shell/Pennzoil Dodge Charger R/T to a first place finish in the AAA 400 at Dover International Speedway, the third leg of the 10-race "Chase for the Sprint Cup."